ISMRM25 - Advanced Body Diffusion: Acquisition & Reconstruction

ISMRM & ISMRT Annual Meeting & Exhibition • 10-15 May 2025 • Honolulu, Hawai'i

Advanced Body Diffusion: Acquisition & Reconstruction

Oral

Body

Tuesday, 13 May 2025

316B

15:45 - 17:45

Moderators: Holden Wu & Gregory Simchick

Session Number: O-28

No CME/CE Credit

15:45		Introduction Holden Wu
15:57		0664. Distortion-Free Diffusion-Weighted Imaging of the Prostate Using TGSE-Based Golden-Angle PROPELLER Acquisition and Deep Learning Denoising View Presentation Video J. Chen, K. Zhou, M. Bruno, H. Chandarana, D. Sodickson, Q. Wen, L. Feng New York University Grossman School of Medicine, New York, United States Impact: TGSE-PROPELLER-DWI with a novel acquisition scheme provides distortion-free, high-resolution prostate DWI within the same scan time as the clinical protocol, with potential for further scan time reduction.
16:09		0665. Reducing Geometric Distortion in Prostate Diffusion MRI using Reduced Field-of-View ENCODE View Presentation Video E. Aygun, Z. Zhang, Q. Miao, E. Oh, S. S. Raman, K. Sung, H. H. Wu University of California Los Angeles, Los Angeles, United States Impact: The rFOV-ENCODE sequence, combining rFOV acquisition and ENCODE, can reduce geometric distortion for prostate DWI without sacrificing scan time across different scanner platforms. The technique can potentially improve diagnosis of prostate cancer.
16:21		0666. An Ensemble Framework for Automatic Quantification of Image Distortion in Prostate Diffusion-Weighted Imaging View Presentation Video H. Sun, L. Wang, H-L Lee, V. Deshpande, F. Han, C. Gao, R. Grimm, D. Li, Y. Xie Cedars-Sinai Medical Center, Los Angeles, United States Impact: The developed ensemble framework for automatic assessment of image distortion may assist in acquiring high-quality prostate DWI and reducing patient recalls.
16:33		0667. Multi b-value Distortion Correction for Ovarian Diffusion-Weighted MRI View Presentation Video S. J. Batasin, S. Loubrie, C. Conlin, H. Yu, S. Ebrahimi, C. Moran, A. Dale, R. Rakow-Penner UC San Diego, La Jolla, United States Impact: mRPG improves distortion artifacts compared to RPG and topup. It yields more accurate spatial and signal intensity corrections which are reflected in quantitative measures such as ADC, without significantly increasing scanning time and with shorter computational time.
16:45		0668. Fast T2-IVIM Imaging with Distortion & Motion Correction for Quantitative Mapping in the Abdomen View Presentation Video L. Timms, M. Utkur, C. Ariyurek, S. Kurugol, O. Afacan Boston Children's Hospital, Boston, United States Impact: Using a multi-echo (ME) single-shot EPI sequence for simultaneous IVIM and T2 fitting enables correction for T2 biases in IVIM parameters, motion robust distortion correction, and is suitable for general abdominal imaging while saving scan time in clinical protocols.
16:57		0669. Motion-compensated Diffusion MRI of Liver Using High-performance Gradients View Presentation Video F. Liu, W. Zhong, Y. Wang, S. Li, W. Shao, W. Lyu, D. Shi, H. Guo Center for Biomedical Imaging Research, School of Biomedical Engineering, Tsinghua University, Beijing, China Impact: Our study explored the potential of high-performance gradients in motion-compensated liver DWI. The improved SNR in measuring Gaussian/non-Gaussian diffusion provided more accurate evaluation of liver microstructure.
17:09		0670. Self-Improved Multi-Shot Abdominal Diffusion-Weighted Imaging: A Motion-Resolved High-Resolution Solution View Presentation Video H. Zhang, F. Wang, N. Shi, P. Wu, Z. Shi, Y. Wang, X. Yue, W. Chen, R. Zheng, C. Wang, H. Wang Institute of Science and Technology for Brain- Inspired Intelligence, Fudan University, Shanghai , China Impact: The proposed solution enables in-vivo high-resolution abdominal DWI in clinical practice.
17:21		0671. Distortion-Free, High-Resolution, Free-Breathing Liver DWI Using DW-PROPELLER-EPI with Collaborative Reconstruction View Presentation Video H. Xiong, L. Liang, S. Chen, X. Xu, C. Yuan, Y. Li, T. Liu, H. Chung, H-C Chang The Chinese University of Hong Kong, Hong Kong, China Impact: DW-PROPELLER-EPI with CORPUSE may benefit applications of liver DWI for challenging population.
17:33		0672. Simultaneous Multi-Slice DKI in Hepatocellular Carcinoma: Correlation with Early Recurrence Y. Wu, Z. Ye, B. Song West China Hospital, Sichuan University, Chengdu, China Impact: The improved acquisition speed using SMS may facilitate the integration of DKI into routine liver imaging workflows. This preliminary evidence for SMS-DKI in predicting early recurrence in HCC also encourages further exploration of its applicability in other tumor types.

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